Home / 6,518.95-9,779.84-2,136.24

Finding the Fourth Proportional to 6,518.95, 9,779.84 and 2,136.24

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Solution

The fourth proportional to 6,518.95, 9,779.84 and 2,136.24 is: 3,204.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.95 : 9,779.84 = 2,136.24 : x
  2. Step 2: Convert to fraction form
    6,518.95/9,779.84 = 2,136.24/x
  3. Step 3: Cross multiply
    6,518.95x = 9,779.84 × 2,136.24
  4. Step 4: Simplify right side
    6,518.95x = 20,892,082.73
  5. Step 5: Solve for x
    x = 20,892,082.73/6,518.95
  6. Step 6: Final answer
    x = 3,204.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.